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Individual Calculations September 2023 |
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| Afnan, Zarif Haque Total change: -33.60 | |   |
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| WALTON Metropolis FIDE Rating Chess Tournament-2023, Below-2100 | Dhaka | BAN | 2023-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1541 | 1766 | 2.00 | 3 | -0.10 | 40 | -4.00 | |
|  Md, Sariatullah | c | | 1991 | BAN | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Ashiya, Sultana | | | 1366 * | BAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jean-Nesar, Osman | | | 1266 | BAN | 1.00 | 1 | 0.04 | 40 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Sheikh Kamal National Youth Chess Championship-2023, U-16 Open | Dhaka | BAN | 2023-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1762 | 2.50 | 4 | -0.74 | 40 | -29.60 | |
| | Rene , Rasikh | | | 1446 | BAN | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Tashriq Saihan, Shan | | | 1710 | BAN | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Sanjid, Hossain | | | 1386 | BAN | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Rubaiat Afroz, Aurnob | | | 1413 | BAN | 1.00 | 1 | 0.11 | 40 | 4.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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